92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import contextlib
|
|
import logging
|
|
import os
|
|
import shutil
|
|
import tarfile
|
|
import tempfile
|
|
|
|
from cliff import command
|
|
|
|
from octane.handlers import backup_restore
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def backup(path_to_backup, archivators):
|
|
_, ext = os.path.splitext(path_to_backup)
|
|
if ext in [".gz", ".bz2"]:
|
|
ext = ext[1:]
|
|
else:
|
|
ext = ""
|
|
abs_path_to_backup = os.path.abspath(path_to_backup)
|
|
prefix = ".{0}.".format(os.path.basename(abs_path_to_backup))
|
|
dirname = os.path.dirname(abs_path_to_backup)
|
|
with tempfile.NamedTemporaryFile(dir=dirname, prefix=prefix) as temp:
|
|
tar_obj = tarfile.open(fileobj=temp, mode="w|{0}".format(ext))
|
|
with contextlib.closing(tar_obj) as archive:
|
|
for manager in archivators:
|
|
archivator = manager(archive)
|
|
archivator_name = archivator.archivator_name
|
|
LOG.info("Start backup {0}".format(archivator_name))
|
|
archivator.backup()
|
|
LOG.info("Finish backup {0}".format(archivator_name))
|
|
if not archive.getmembers():
|
|
raise Exception("Nothing to backup")
|
|
shutil.move(temp.name, abs_path_to_backup)
|
|
temp.delete = False
|
|
|
|
|
|
class BaseBackupCommand(command.Command):
|
|
|
|
archivators = None
|
|
|
|
def get_parser(self, *args, **kwargs):
|
|
parser = super(BaseBackupCommand, self).get_parser(*args, **kwargs)
|
|
parser.add_argument(
|
|
"--to",
|
|
type=str,
|
|
dest="path",
|
|
required=True,
|
|
help="Path to tarball file with the backup information.")
|
|
return parser
|
|
|
|
def take_action(self, parsed_args):
|
|
assert self.archivators
|
|
backup(parsed_args.path, self.archivators)
|
|
|
|
|
|
class BackupCommand(BaseBackupCommand):
|
|
|
|
archivators = backup_restore.ARCHIVATORS
|
|
|
|
|
|
class BackupRepoCommand(BaseBackupCommand):
|
|
|
|
archivators = backup_restore.REPO_ARCHIVATORS
|
|
full_archivators = backup_restore.FULL_REPO_ARCHIVATORS
|
|
|
|
def get_parser(self, *args, **kwargs):
|
|
parser = super(BackupRepoCommand, self).get_parser(*args, **kwargs)
|
|
parser.add_argument(
|
|
"--full",
|
|
action='store_true',
|
|
help="Backup all repositories")
|
|
return parser
|
|
|
|
def take_action(self, parsed_args):
|
|
if parsed_args.full:
|
|
self.archivators = self.full_archivators
|
|
super(BackupRepoCommand, self).take_action(parsed_args)
|